S-90323A466 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
• Precise component alignment thanks to the 25mm shoulder with tight length tolerance (0 to 0.05 mm), minimizing assembly play and vibration.
• High-strength performance offering 80,000 psi tensile strength and Rockwell B95 hardness for demanding mechanical applications.
• Secure, low-profile fastening with a smooth, low socket head and 3 mm hex drive, ideal for confined spaces and providing a flush finish.
• Reliable thread engagement featuring a Class 6g thread fit and coarse M5x0.8 thread for quick assembly and consistent clamping force.
• Environmental compliance assurance meeting RoHS 3 and REACH standards, making it suitable for regulated industries.
• Accurate shoulder diameter control with a tolerance of -0.025 to 0 mm, ensuring smooth bearing or bushing fit and reduced wear.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical alignment and durability challenges in industrial settings. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to corrosion and oxidation, making it ideal for machinery exposed to moisture or chemicals. The 25mm shoulder length with minimal tolerance ensures precise positioning of moving parts like gears, pulleys, or linkages, reducing misalignment and extending equipment life. Its hex socket head with a low profile allows for easy installation in tight spaces, while the M5x0.8 coarse thread and Class 6g fit enable quick, secure fastening. Commonly used in automation, automotive, and electronics assembly, this screw delivers reliable performance in high-stress applications where accuracy and strength are paramount.

Specification Summary & Compliance

This M5 shoulder screw adheres to metric standards with a Class 6g thread fit and precise shoulder diameter tolerance of -0.025 to 0 mm and length tolerance of 0 to 0.05 mm. It is manufactured from 18-8 stainless steel with a passivated finish and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.